24291121 has 2 divisors, whose sum is σ = 24291122. Its totient is φ = 24291120.

The previous prime is 24291109. The next prime is 24291131. The reversal of 24291121 is 12119242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15523600 + 8767521 = 3940^2 + 2961^2 .

It is a cyclic number.

It is not a de Polignac number, because 24291121 - 2¹⁷ = 24160049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24291092 and 24291101.

It is not a weakly prime, because it can be changed into another prime (24291131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12145560 + 12145561.

It is an arithmetic number, because the mean of its divisors is an integer number (12145561).

Almost surely, 2^24291121 is an apocalyptic number.

It is an amenable number.

24291121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24291121 is an equidigital number, since it uses as much as digits as its factorization.

24291121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 24291121 is about 4928.6023373772. The cubic root of 24291121 is about 289.6115329760.

The spelling of 24291121 in words is "twenty-four million, two hundred ninety-one thousand, one hundred twenty-one".